Banded Astyanax

Astyanax fasciatus

Mojarra Colirroja

Family: Characidae
Order: Characiformes
Class: Actinopterygii
Phylum / Division: Chordata
Kingdom: Animalia

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Other common names: Mojarra, Mojarra Común, Pikíh Pihy, Piaba Do Río, Lambari Do Rabo Vermelho.

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Records from Gualeguaychú

Description

Psalidodon fasciatus, commonly known as the banded astyanax, is a species of freshwater ray-finned fish belonging to the family Acestrorhamphidae, the American characins. This fish is widespread in the Americas from Mexico to Argentina. It grows up to in length. Formerly thought to be closely related to the Mexican tetra, it is now in the same genus as the Buenos Aires tetra.

It is the target species of the scale-eating Deuterodon heterostomus which is a close mimic.

Source: Wikipedia, article Astyanax fasciatus. Content adapted from Wikipedia, available under the CC BY-SA 4.0 license. Accessed on 15/07/2026.